The Marshall PEDL-00016 is a 2-button footswitch designed for seamless control of Channel and Chorus functions on compatible Marshall amplifiers. It features LED indicators for clear status visibility and is compatible with models such as the Marshall Haze and MA series. This footswitch allows for hands-free operation, enhancing live performance flexibility. For detailed compatibility information, it's recommended to consult your amplifier's manual or contact Marshall Amplification directly.